Upgrade your computer's memory with this high-quality Samsung DDR3 SDRAM. With a total capacity of 8 GB, this unit features ECC registered memory for reliable performance. Designed to work with various computer models from Dell, HP, Compaq, Apple, IBM, Lenovo, Toshiba, Acer, and Asus, this memory module is a perfect fit for your needs. The 8GB 2Rx8 DDR3 PC3-14900R 1866MHz ECC REG MEMORY RAM comes with a lifetime manufacturer warranty. Its form factor is RDIMM, with 240 pins and a voltage of 1.5v